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Is Pain Made in the Brain?

In your hands, you have separate sensors for heat, cold, and pain. Here's what happens when you touch something hot and cold at the same time.
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Clip Season 50 Episode 9 Length 03:40 Premiere: 05/17/23

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Season 50 Episodes

Lee and Liza's Family Tree
S50 E18 Length 53:30 Premiere Date 11/22/23

The Battle to Beat Malaria
S50 E17 Length 53:54 Premiere Date 11/15/23

Inside China's Tech Boom
S50 E16 Length 53:20 Premiere Date 11/08/23

Ancient Earth: Humans
S50 E15 Length 53:15 Premiere Date 11/01/23

Ancient Earth: Inferno
S50 E14 Length 53:45 Premiere Date 10/25/23

Ancient Earth: Life Rising
S50 E13 Length 53:47 Premiere Date 10/18/23

Ancient Earth: Frozen
S50 E12 Length 53:46 Premiere Date 10/11/23

Ancient Earth: Birth of the Sky
S50 E11 Length 53:47 Premiere Date 10/04/23

Your Brain: Who's in Control?
S50 E10 Length 53:20 Premiere Date 05/24/23

Your Brain: Perception Deception
S50 E9 Length 53:30 Premiere Date 05/17/23

Hidden Volcano Abyss
S50 E8 Length 53:19 Premiere Date 05/10/23

Saving the Right Whale
S50 E7 Length 53:31 Premiere Date 05/03/23

What Made the Titan Submersible Design Unconventional?
Clip Length 05:05 Premiere Date 07/03/23

Your Brain: Perception Deception Preview
Preview Length 00:29 Premiere Date 05/17/23

How Your Brain Interprets Color
Clip Length 02:24 Premiere Date 05/17/23

Your Memories Are Not as True as You Think
Clip Length 03:51 Premiere Date 05/17/23

Is Pain Made in the Brain?
Clip Length 03:40 Premiere Date 05/17/23

Is the Human Brain Actually Two Minds?
Clip Length 05:17 Premiere Date 05/17/23

Could Whale Poop Help Cool the Planet?
Clip Length 02:43 Premiere Date 05/12/23

This Fungus Is Spreading Rapidly in Hospitals
Clip Length 03:24 Premiere Date 04/24/23

There’s Something Living in Wildfire Smoke
Clip Length 01:59 Premiere Date 04/11/23

How the West Is Making It Rain, With Science
Clip Length 06:22 Premiere Date 04/10/23

Soothing Science: The Light You See at Sunset
Clip Length 08:01 Premiere Date 04/04/23

The Mystery and Physics of the Spiral Football Pass
Clip Length 03:43 Premiere Date 02/13/23

Astronaut Walter Cunningham on the Historic Apollo 7 Mission
Clip Length 32:26 Premiere Date 01/25/23

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Rain Bombs - S53 E5

Scientists race to understand catastrophic weather events known as "rain bombs" and how we can protect ourselves from their growing power.

  • Sunday April 26, 2026 7:00 pm ET on KET2
  • Sunday April 26, 2026 6:00 pm CT on KET2
  • Tuesday April 28, 2026 1:00 am ET on KET2
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Athens: Birth of Democracy - S53 E7

Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago. Mass graves and ancient ruins where tyrants were murdered shine new light on the birth of a revolutionary form of government.

  • Wednesday April 29, 2026 9:00 pm ET on KET
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Decoding the Universe: Cosmos - S51 E8

Trace groundbreaking discoveries in space research and exploration and follow the teams trying to solve two mysteries in cosmology - dark matter and dark energy.

  • Wednesday May 6, 2026 9:00 pm ET on KET
  • Wednesday May 6, 2026 8:00 pm CT on KET
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  • Tuesday May 12, 2026 1:00 am ET on KET2
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Decoding the Universe: Quantum - S51 E14

Discover the world of the subatomic realm in the quantum universe.

  • Wednesday May 13, 2026 9:00 pm ET on KET
  • Wednesday May 13, 2026 8:00 pm CT on KET
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  • Sunday May 17, 2026 7:00 pm ET on KET2
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When Whales Could Walk - S51 E1

Giant fossils uncovered in the Sahara Desert reveal new secrets of how whales evolved.

  • Wednesday May 20, 2026 9:00 pm ET on KET
  • Wednesday May 20, 2026 8:00 pm CT on KET
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  • Tuesday May 26, 2026 12:00 am CT on KET2

Great Mammoth Mystery - S49 E3

Sir David Attenborough explores a unique site in southern England with rare traces of Ice Age mammoths and Neanderthals. How did humans survive the frigid climate, and did they have the tools and talent to hunt the giant beasts?

  • Wednesday May 27, 2026 9:00 pm ET on KET
  • Wednesday May 27, 2026 8:00 pm CT on KET
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Rain Bombs - S53 E5

  • Friday April 24, 2026 2:00 am ET on KET
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  • Thursday April 23, 2026 4:00 pm CT on KET
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Return to the Moon - S53 E8

  • Tuesday April 21, 2026 1:00 am ET on KET2
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Your Brain: Who's in Control? - S50 E10

  • Tuesday April 14, 2026 1:00 am ET on KET2
  • Tuesday April 14, 2026 12:00 am CT on KET2
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  • Wednesday April 8, 2026 8:00 pm CT on KET

Your Brain: Perception Deception - S50 E9

  • Tuesday April 7, 2026 1:00 am ET on KET2
  • Tuesday April 7, 2026 12:00 am CT on KET2
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Baltimore Bridge Collapse - S52 E6

  • Tuesday March 31, 2026 5:00 am ET on KET2
  • Tuesday March 31, 2026 4:00 am CT on KET2
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